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  2. Hypervitaminosis A - Wikipedia

    en.wikipedia.org/wiki/Hypervitaminosis_A

    Hypervitaminosis A refers to the toxic effects of ingesting too much preformed vitamin A (retinyl esters, retinol, and retinal). Symptoms arise as a result of altered bone metabolism and altered metabolism of other fat-soluble vitamins. Hypervitaminosis A is believed to have occurred in early humans, and the problem has persisted throughout ...

  3. Retinyl acetate - Wikipedia

    en.wikipedia.org/wiki/Retinyl_acetate

    World Health Organization "Recommendations for preformed vitamin A supplements for mothers during pregnancy" states that "health benefits are expected for the mother and her developing fetus with little risk of detriment to either, from a daily supplement not exceeding 10,000 IU vitamin A (3000mcg RE) at any time during pregnancy." Preformed ...

  4. Vitamin A - Wikipedia

    en.wikipedia.org/wiki/Vitamin_A

    Vitamin A toxicity also referred to as hypervitaminosis A, occurs when there is too much vitamin A accumulating in the body. Symptoms may include nervous system effects, liver abnormalities, fatigue, muscle weakness, bone and skin changes, and others. The adverse effects of both acute and chronic toxicity are reversed after consumption of high ...

  5. Isotretinoin - Wikipedia

    en.wikipedia.org/wiki/Isotretinoin

    Many of the side effects of isotretinoin mimic hypervitaminosis A, which has been associated with psychotic symptoms. [57] The dopamine hypothesis of schizophrenia and psychosis suggests that an increase in dopaminergic stimulation or sensitivity in the limbic system causes psychotic symptoms.

  6. Retinol - Wikipedia

    en.wikipedia.org/wiki/Retinol

    Retinol, also called vitamin A 1, is a fat-soluble vitamin in the vitamin A family that is found in food and used as a dietary supplement. [3] Retinol or other forms of vitamin A are needed for vision, cellular development, maintenance of skin and mucous membranes , immune function and reproductive development. [ 3 ]

  7. 8 Vitamins for Hair Growth and Restoration That ... - AOL

    www.aol.com/lifestyle/dermatologists-approve-8...

    Biotin. This B vitamin is an ingredient in many different hair supplements—for good reason. “Biotin is a water-soluble vitamin that supports the growth of hair, skin, and nails by helping to ...

  8. Hypervitaminosis - Wikipedia

    en.wikipedia.org/wiki/Hypervitaminosis

    Hypervitaminosis is a condition of abnormally high storage levels of vitamins, which can lead to various symptoms as over excitement, irritability, or even toxicity. Specific medical names of the different conditions are derived from the given vitamin involved: an excess of vitamin A , for example, is called hypervitaminosis A .

  9. Skin whitening - Wikipedia

    en.wikipedia.org/wiki/Skin_whitening

    The use of these products can be hazardous to health, potentially causing acne, stretch marks, skin cancer, [101] hypertension, or diabetes, especially when the product contains hydroquinone, [102] mercury, cortisone, or vitamin A. [103] Allergic reactions or undesirable effects such as uneven hyperpigmentation or patchy depigmentation can also ...